From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0CA48C2BA83 for ; Fri, 14 Feb 2020 17:10:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D153C20637 for ; Fri, 14 Feb 2020 17:10:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1581700217; bh=EmHy02QxIAceinsrla6/OOJZSbxSoVsrW2LFm6TIsi0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=wk92egHQr1oyQtt6CAkuquwyhTJ3o9b2XaozeSbVHb342JdU1G9dmMujftX97oXi3 9tW3d7VcxNYVQbHiRba2vKLrmipSujFY4M5hMV+9oY/enNWLRvCzUNyPfS8Yehuanb g4ijAb2etygV01GMhfzdSySdPSnDwxpj8aH+wFGU= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2403916AbgBNQNn (ORCPT ); Fri, 14 Feb 2020 11:13:43 -0500 Received: from mail.kernel.org ([198.145.29.99]:42594 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2403902AbgBNQNn (ORCPT ); Fri, 14 Feb 2020 11:13:43 -0500 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 15259246CD; Fri, 14 Feb 2020 16:13:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1581696822; bh=EmHy02QxIAceinsrla6/OOJZSbxSoVsrW2LFm6TIsi0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=D6BdMld1TjSF+DIYeQYluhf0P7VN8SmoquWG97L55MlEBdw0TQUkpObYTusdguRzF LCc9Ln+RkY2m28GSuH0w3Q5u2qKBtGC2HpK/dHsEcd8U7XhZKhjMd9lZSJUbYMd9jX PNwZgoI6GWZ8cip149cnhEYpgeXnOv0jO0TGqjtg= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Andrey Smirnov , Chris Healy , Lucas Stach , Shawn Guo , Fabio Estevam , linux-arm-kernel@lists.infradead.org, Sasha Levin , devicetree@vger.kernel.org Subject: [PATCH AUTOSEL 4.19 089/252] ARM: dts: imx6: rdu2: Limit USBH1 to Full Speed Date: Fri, 14 Feb 2020 11:09:04 -0500 Message-Id: <20200214161147.15842-89-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200214161147.15842-1-sashal@kernel.org> References: <20200214161147.15842-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org From: Andrey Smirnov [ Upstream commit 6bb1e09c4c375db29770444f689f35f5cbe696bc ] Cabling used to connect devices to USBH1 on RDU2 does not meet USB spec cable quality and cable length requirements to operate at High Speed, so limit the port to Full Speed only. Reported-by: Chris Healy Reviewed-by: Chris Healy Reviewed-by: Lucas Stach Signed-off-by: Andrey Smirnov Cc: Shawn Guo Cc: Fabio Estevam Cc: Lucas Stach Cc: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org Signed-off-by: Shawn Guo Signed-off-by: Sasha Levin --- arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi b/arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi index 56d6e82b75337..bc5f2de02d433 100644 --- a/arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi +++ b/arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi @@ -804,6 +804,7 @@ &usbh1 { vbus-supply = <®_5p0v_main>; disable-over-current; + maximum-speed = "full-speed"; status = "okay"; }; -- 2.20.1